IP Library › Patent Application 61640747
Patent Application Provisional Small
App. No. 61/640,747 · Confirmation No. 4029

DUAL PASSAGE CONCENTRIC TUBE HEAT EXCHANGER FOR COOLING/HEATING OF FLUID IN A LOW PRESSURE SYSTEM

Inventor: Robert A. Norcross
Provisional Application Expired
⬇ PDF
 Code Description Pages PDF
2015-03-27 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2015-03-19 PA.. Power of Attorney 1 View
2015-03-19 PA.. Power of Attorney 2 View
2015-03-19 N417 Electronic Filing System Acknowledgment Receipt 2 View
2015-03-19 R3.73 Assignee showing of ownership per 37 CFR 3.73 3 View
2012-05-21 APP.FILE.REC Filing Receipt 3 View
2012-05-01 SPEC Specification 16 View
2012-05-01 CLM Claims 5 View
2012-05-01 ABST Abstract 1 View
2012-05-01 DRW Drawings-only black and white line drawings 7 View
2012-05-01 TR.PROV Provisional Cover Sheet (SB16) 3 View
2012-05-01 WFEE Fee Worksheet (SB06) 1 View
2012-05-01 WFEE Fee Worksheet (SB06) 2 View
2012-05-01 N417 Electronic Filing System Acknowledgment Receipt 3 View
Monitor This Case
Get email alerts when status or documents change.
Order Certified Copies
Most orders are placed with the USPTO same day — all within 24 business hours.
Order via The Patent Place →
Pre-filled with this application's details
Quick Facts
App. No.
61/640,747
Filed
2012-05-01